import React, { FC, useState } from 'react';
import { Listbox } from '@headlessui/react';
import { cn } from '~/utils/';

type OptionType = {
  value: string;
  display?: string;
};

type DropdownPosition = 'left' | 'right';

interface DropdownProps {
  value: string;
  label?: string;
  onChange: (value: string) => void;
  options: (string | OptionType)[];
  className?: string;
  position?: DropdownPosition;
  width?: number;
  maxHeight?: string;
  testId?: string;
}

const Dropdown: FC<DropdownProps> = ({
  value: initialValue,
  label = '',
  onChange,
  options,
  className = '',
  position = 'right',
  width,
  maxHeight = 'auto',
  testId = 'dropdown-menu',
}) => {
  const [selectedValue, setSelectedValue] = useState(initialValue);

  const positionClasses = {
    right: 'origin-bottom-left left-0',
    left: 'origin-bottom-right right-0',
  };

  return (
    <div className={cn('relative', className)}>
      <Listbox
        value={selectedValue}
        onChange={(newValue) => {
          setSelectedValue(newValue);
          onChange(newValue);
        }}
      >
        <div className={cn('relative', className)}>
          <Listbox.Button
            data-testid={testId}
            className={cn(
              'relative inline-flex items-center justify-between rounded-md border-gray-50 bg-white py-2 pl-3 pr-8 text-black transition-all duration-100 ease-in-out hover:bg-gray-100 dark:border-gray-600 dark:bg-gray-700 dark:text-white dark:hover:bg-gray-600 dark:focus:ring-white dark:focus:ring-offset-gray-700',
              'w-auto',
              className,
            )}
            aria-label="Select an option"
          >
            <span className="block truncate">
              {label}
              {options
                .map((o) => (typeof o === 'string' ? { value: o, display: o } : o))
                .find((o) => o.value === selectedValue)?.display || selectedValue}
            </span>
            <span className="pointer-events-none absolute inset-y-0 right-0 flex items-center pr-2">
              <svg
                xmlns="http://www.w3.org/2000/svg"
                fill="none"
                viewBox="0 0 24 24"
                strokeWidth="2"
                stroke="currentColor"
                className="h-4 w-5 rotate-0 transform text-black transition-transform duration-300 ease-in-out dark:text-gray-50"
              >
                <polyline points="6 9 12 15 18 9"></polyline>
              </svg>
            </span>
          </Listbox.Button>
          <Listbox.Options
            className={cn(
              `absolute z-50 mt-1 flex max-h-[40vh] flex-col items-start gap-1 overflow-auto rounded-lg border border-gray-100 bg-white p-1.5 text-black shadow-lg transition-opacity  dark:border-gray-600 dark:bg-gray-700 dark:text-white ${positionClasses[position]}`,
              className,
            )}
            style={{ width: width ? `${width}px` : 'auto', maxHeight: maxHeight }}
            aria-label="List of options"
          >
            {options.map((item, index) => (
              <Listbox.Option
                key={index}
                value={typeof item === 'string' ? item : item.value}
                className={cn(
                  'duration-50 relative cursor-pointer select-none rounded border-gray-50 bg-white py-2.5 pl-3 pr-2 text-black transition-all ease-in-out hover:bg-gray-100 focus:bg-gray-200 dark:border-gray-50 dark:bg-gray-700 dark:text-white dark:hover:bg-gray-600 dark:focus:bg-gray-500',
                )}
                style={{ width: '100%' }}
                data-theme={typeof item === 'string' ? item : (item as OptionType).value}
              >
                <div className="flex w-full items-center justify-between">
                  <span className="block truncate">
                    {typeof item === 'string' ? item : (item as OptionType).display}
                  </span>
                  {selectedValue === (typeof item === 'string' ? item : item.value) && (
                    <span className="ml-auto pl-2">
                      <svg
                        width="24"
                        height="24"
                        viewBox="0 0 24 24"
                        fill="none"
                        xmlns="http://www.w3.org/2000/svg"
                        className="icon-md block group-hover:hidden"
                      >
                        <path
                          fillRule="evenodd"
                          clipRule="evenodd"
                          d="M2 12C2 6.47715 6.47715 2 12 2C17.5228 2 22 6.47715 22 12C22 17.5228 17.5228 22 12 22C6.47715 22 2 17.5228 2 12ZM16.0755 7.93219C16.5272 8.25003 16.6356 8.87383 16.3178 9.32549L11.5678 16.0755C11.3931 16.3237 11.1152 16.4792 10.8123 16.4981C10.5093 16.517 10.2142 16.3973 10.0101 16.1727L7.51006 13.4227C7.13855 13.014 7.16867 12.3816 7.57733 12.0101C7.98598 11.6386 8.61843 11.6687 8.98994 12.0773L10.6504 13.9039L14.6822 8.17451C15 7.72284 15.6238 7.61436 16.0755 7.93219Z"
                          fill="currentColor"
                        />
                      </svg>
                    </span>
                  )}
                </div>
              </Listbox.Option>
            ))}
          </Listbox.Options>
        </div>
      </Listbox>
    </div>
  );
};

export default Dropdown;
